Campbell-scientific CS135 Lidar Ceilometer Instrukcja Użytkownika Pobierz pdf (Strona 38)

CS135 Ceilometer

A green LED is visible through the window, see Fig 5.2. It will give 0.5 second

flashes as follows:-

1 flash every 10 seconds = OK, no fault

2 flashes every 10 seconds = warning (possible degraded performance)

3 flashes every 10 seconds = alarm (measurements not possible)

6. Messages

6.1 Data Messages General

The CS135 can provide a variety of data message types to allow efficient output

of data. Not all messages provide the full information available but these

messages may be more efficient in terms of data storage and transmission.

CL31 and CT25K messages follow formats used by common existing CL31 and

CT25K sensors allowing easier replacement or network expansion.

6.2 CS Messages

Message 001 (no profile, no sky condition) – Default message

LINE 1

STX CS ID OS N ETX CR LF

where

STX = Start-of-Heading character

CS = Always "CS"

ID(1 character) = A single ASCII character, 0-9, a - z or A - Z, case sensitive. Default ID = 0

OS (3 characters) = Operating system, 001 ... 999

N (3 characters) = Message number

ETX = End-of-Text Character

CR LF = Carriage Return + Line Feed

LINE 2

S WA

flags CR LF

where

S (1 character) = message status:

0 = No significant backscatter

1 2 ... 33 34 35 36 37 38 39 40 41 42 43 ... 69 70

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Campbell-scientific CS135 Lidar Ceilometer Instrukcja Użytkownika Strona 38